Product Detail

MA4SPS421
Surmount PIN Diode
This device is a Silicon-Glass PIN diode chip fabricated with MACOM's patented HMICTM process. This device features two silicon pedestals embedded in a low loss, low dispersion glass. The diode is formed on the top of one pedestal and connections to the backside of the device are facilitated by making the pedestal sidewalls electrically conductive. Selective backside metallization is applied producing a surface mount device. This vertical topology provides for exceptional heat transfer. The topside is fully encapsulated with silicon nitride and has an additional polymer layer for scratch and impact protection. These protective coatings prevent damage to the junction and the anode air-bridge during handling and assembly. These surmount devices are suitable for usage in moderate incident power (10W C.W.) or higher incident peak power (500W) series, shunt, or series-shunt switches. Lower parasitic inductance, 0.1 to 0.2nH, and excellent RC constant (0.45pS), make the devices ideal for higher frequency switch elements compared to their plastic device counterparts.
Applications
  • ISM
Specifications
  • Total Capacitance: 0.13 pF
  • Total Capacitance: 0.13 pF
  • CW Power Dissipation: 1.8 W
  • Resistance: 6.2 Ohm
  • Min Frequency: 50 MHz
  • Capacitance Ratio: 80 
  • Breakdown Voltage, Minimum: 200 V
  • Lifetime: 5,000 nS
  • Max Frequency: 6,000 MHz
Package
  • Surmount Die
Package Category
  • Surface Mount Die
Part Number Package MACOM Richardson RFPD DigiKey Mouser
MA4SPS421
Diode, Silicon-Glass, PIN, Chip
SURFACE MOUNT
In Stock: 700
Buy
In Stock: 300
Buy
MADP-000421-12940P
Diode, PIN, Surmout, PocketTape
SURMOUNT
In Stock: 6000
Buy

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